| Rank | Median Age ▲ | School District / Population |
| 1. | 25.40 | Fremont County School District 14 / 2,344 |
| 2. | 26.80 | Albany County School District 1 / 36,299 |
| 3. | 27.50 | Fremont County School District 38 / 1,631 |
| 4. | 28.20 | Fremont County School District 21 / 2,190 |
| 5. | 31.90 | Campbell County School District 1 / 46,133 |
| 6. | 32.20 | Sweetwater County School District 1 / 30,043 |
| 7. | 33.20 | Uinta County School District 6 / 3,248 |
| 8. | 33.70 | Uinta County School District 1 / 14,618 |
| 9. | 34.40 | Sweetwater County School District 2 / 13,657 |
| 10. | 35.30 | Carbon County School District 1 / 11,195 |
| 11. | 35.40 | Uinta County School District 4 / 3,252 |
| 12. | 36.40 | Fremont County School District 25 / 16,987 |
| 13. | 36.60 | Lincoln County School District 2 / 13,408 |
| 14. | 36.70 | Laramie County School District 1 / 86,198 |
| 15. | 36.80 | Natrona County School District 1 / 75,450 |
| 16. | 36.90 | Teton County School District 1 / 21,294 |
| 17. | 38.00 | Sublette County School District 9 / 4,119 |
| 18. | 38.10 | Converse County School District 1 / 9,557 |
| 19. | 38.20 | Big Horn County School District 2 / 3,430 |
| 20. | 38.40 | Sublette County School District 1 / 6,932 |
| 20. | 38.40 | Big Horn County School District 1 / 3,085 |
| 22. | 38.90 | Park County School District 1 / 11,915 |
| 23. | 39.70 | Lincoln County School District 1 / 3,894 |
| 24. | 40.60 | Laramie County School District 2 / 5,540 |
| 25. | 40.70 | Weston County School District 7 / 1,521 |
| 26. | 40.80 | Washakie County School District 1 / 7,801 |
| 27. | 41.10 | Sheridan County School District 2 / 24,064 |
| 28. | 41.30 | Converse County School District 2 / 4,276 |
| 29. | 42.30 | Fremont County School District 24 / 1,545 |
| 30. | 42.70 | Weston County School District 1 / 5,687 |
| 31. | 43.00 | Fremont County School District 6 / 2,198 |
| 32. | 43.10 | Fremont County School District 1 / 11,330 |
| 33. | 43.50 | Goshen County School District 1 / 13,164 |
| 34. | 43.60 | Crook County School District 1 / 7,083 |
| 35. | 44.00 | Big Horn County School District 3 / 3,029 |
| 36. | 44.20 | Sheridan County School District 3 / 429 |
| 37. | 44.80 | Johnson County School District 1 / 8,569 |
| 38. | 45.80 | Sheridan County School District 1 / 4,623 |
| 39. | 46.10 | Niobrara County School District 1 / 2,520 |
| 40. | 46.40 | Park County School District 6 / 15,093 |
| 41. | 47.00 | Platte County School District 2 / 1,465 |
| 42. | 47.60 | Platte County School District 1 / 7,251 |
| 43. | 47.80 | Carbon County School District 2 / 4,796 |
| 44. | 47.90 | Big Horn County School District 4 / 2,244 |
| 45. | 48.30 | Park County School District 16 / 789 |
| 46. | 48.60 | Hot Springs County School District 1 / 4,812 |
| 47. | 50.90 | Washakie County School District 2 / 732 |
| 48. | 52.50 | Fremont County School District 2 / 1,898 |
Please note that we only rank locations with 'Median Age' data. The rank above might not be a complete list. Locations without 'Median Age' data are not listed.
